i think this product is not approuved... i every have 2 cranksets rotorpower, the second is return, now i buy an SRM ... NO BUY THIS PRODUCT !!!!

Wouter S.

I think the product itself is a good concept and has great potential. There seem to be some issues with some power cranks at the moment, but rotor are on the case and have been very helpful. Knowing Rotor I'm sure all issues will be resolved soon enough.